Updated: May 19, 2026

Hamilton E James

COSTCOSTCO WHOLESALE CORP /NEWSEC CIK: 0001238989
Estimated Net Worth
$3.15 Billion1.1%vs Last Year
Last Updated: May 19, 2026 11:11 PM EST

Transaction Summary

Total Transactions67
Buy-Sell Ratio1.10
Buy Transactions32
Sell Transactions29

Transaction Volume

Total Volume$1.9B
Net Volume-$1.9B
Buy Volume$1.44M
Sell Volume$1.9B

Trade Analysis

AVG Trade Size$28.36M
Largest Trade$1.21B
Most Active MonthOct
Most Active Year2021

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Hamilton E James has an estimated net worth of $3.15 Billion. This is based on reported shares across multiple companies, which include Blackstone Inc, COSTCO WHOLESALE CORP /NEW, Silvercrest Asset Management Group Inc., and Blackstone / GSO Floating Rate Enhanced Income Fund.



2012 was Hamilton E James's most active year for acquiring shares with 11 total transactions. Hamilton E James's most active month to acquire stocks was the month of September. 2021 was Hamilton E James's most active year for disposing of shares, totalling 81 transactions. Hamilton E James's most active month to dispose stocks was the month of April. 2018 saw Hamilton E James paying a total of $132,495,995.10 for 5,644,411 shares, this is the most they've acquired in one year. In 2021 Hamilton E James cashed out on 24,669,195 shares for a total of $1,460,164,914.03, their largest year based on trade value.

Holdings & Transactions

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